Intertwined, interspecies trees which locals believe can grant boons to lovers.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

A tribute to Ponce de Leon's supposed quest for eternal youth.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

The final resting place of a legendary science fiction author and his fraternal twin sister who died as an infant.

The fifth-longest natural arch in the world, and the longest outside China.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

An enormous image of Utah's salt flats made entirely from tape.

Jurassic Park—A Still Life.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Spain's largest bullring offers a unique glimpse at architecture and history.

A 16th-century Andalusian palace.

The final resting place of the great navigator, or maybe his brother.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

This enormous censer uses a pulley system installed over 400 years ago.

The mysterious remains of a martyred teenage saint are venerated inside a small country chapel.

This small, lush island has a long and bloody history.

A 12th century church completely covered in shells.

Crumbling World War II-era gun emplacements still stand near lighthouses on the Spanish coast.